A sapphire and diamond ring. Photo Christie's Image Ltd 2014
Set with a cushion-shaped sapphire, weighing approximately 18.81 carats, flanked on either side with cushion-shaped diamonds, weighing approximately 2.37 and 2.31 carats, to the pavé-set diamond detail on the hoop, mounted in platinum, ring size 5¾. Estimate CHF160,000 – CHF220,000 ($183,584 - $252,427)
Accompanied by report no. 69839 dated 19 September 2013 from the SSEF Swiss Gemmological Institute stating that the sapphire is of Burmese origin, with no indications... [Lire la suite]